3033170

Information

• Patent Grant
• 3033170

• References
• Source

• Patent Number

  3,033,170

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1962
  62 years ago

• CPC

  • B23Q5/26 - Fluid-pressure drives
  • B30B15/16 - Control arrangements for fluid-driven presses
  • B30B15/183 - Controlling the filling of the press cylinder during the approach stroke of the ram
  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F15B2211/20538 - constant capacity
  • F15B2211/20592 - Combinations of pumps for supplying high and low pressure
  • F15B2211/30505 - Non-return valves
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/41581 - being connected to an output member and a return line
  • F15B2211/423 - manually
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/45 - Control of bleed-off flow
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/7053 - Double-acting output members
  • F15B2211/775 - Combined control

• US Classifications

  • 091 - Motors: expansible chamber type